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The gravitational effect of the moon on bodies of water on the earth create a simple harmonnic motion (SHM) which manifests itself as semi-diurnal tides: that is, two hight tides and two low tides in approximately one day. The interval between two high todes (or two low tides) is approx 12 hours and 25 minutes.

The tidal effect is very well modelled by SHM, for which the sine (or cosine) waves are solutions.

The gravitational effect of the sun and local geography also play a part in tides.

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10y ago
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6mo ago

Tidal experts use sine waves to model the cyclical rise and fall of tides over time. By analyzing the sine wave patterns, they can predict high and low tide levels, as well as the timing of these events. This helps in understanding tidal behavior and its impact on coastal areas.

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The obvious answer is the relationships between the sides and angles of triangles. Waves in the sea are an example of a sine wave. Tidal Experts and Meterologists alike use sine waves to help predict tides. Music will also emit waves that may often look like a sine wave and pure notes will look like sine or cosine waves. The speed of a swinging pendulum can be plotted as a sine wave as well as the sound of a tuning fork.


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